What was found
NR 1 ENGINE PRSOV VALVE INDICATION SET SCREW BROKEN OFF. GROUNDED - YES. REMOVED & REPLACED PRSOV, REF AMM 36-11-04-000-801 AND AMM 36-11-04-400-801. OPS CHECK GOOD. LEAK CHECK GOOD.
- Difficulty date
- April 9, 2017
- Submitted
- April 11, 2017
- Operation
- Air carrier
- Aircraft
- N471AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41703
- Aircraft time
- 9,984 hours, 3,326 cycles
- System (JASC)
- 3610 · Pneumatic Distribution System
- Part
- Setscrew
- Condition
- Broken
- Location
- Nr 1 Prsov
- Component
- Shut Off Valve
- Component part number
- 32145526
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.